純風力小車 (風力轉動力)

SKU: K342
$40.00
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SKU: K342 Category:

尺寸:20*31*5cm

材質:塑料

描述

原理:這是壹款零排放、零汙染的概念車,利用風能轉化成動動力能源來加以使用。

風能使用頂端的風頁傳動齒輪帶動小車前進。車子的行駛速度由風力決定。

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